Tire.



' of resilient blocks 16 which may citric,

Y WLLAlr E. SUPEBNAW, OF'ELGIN, ILLINOIS. 'i

'man'.

Application filed July 3, 1915. Serial No. 37,961.

To all whom may concern.'

- that I, WILLIAM E. SUPER- ot' the United States, residin the .county of Kane and State or nl ois, have invented a new and useful rlire, of which the following 1s a specification.

This invention aims to provide novel means for holding a tire on a wheel rim.

lt is within the province of tlieldisclosure to improve generally and to enhance the utility of devices of that type to which the present invention appertains. l

W ith the above and other objects 1n' view which will appear as the description proceeds, the invention resides in the combination and arrangement of parts and in the details of construction hereinafter described and claimed, it being understood that' changes in the'precise embodiment of the invention herein disclosed can be made within the scope or" vwhat .is claimed, without departing from the spiritof the invention.

in the accompanying drawing z-Figure 1 shows the invention. in side elevation, parts being broken away; Fig. 2 is a cross section taken on the line 2-2 of Fig. 1. Fig. 3-is a cross section on the line 3-3 of Fig. 1; Fig; 4 is a perspective showingone end of one of the tire blocks.

in carrying out the present invention there is provided an inner rim 1 secured by means oi bolts 2 toa telly 3 which may be made of wood if desired. ln the inner rim 1, transverse openings l are formed, the same being adapted to receive bolts 5 retaining annular side plates 6.

The invention contemplates the use of an outer rim 7 which may be made of metal,

the rim 7 being provided with inwardly projecting, Jsliaped lugs 8 having openings 9 receiving' bolts 11 holding in place annular side plates 10, the side plates 10 being slidably overlapped on the side plates '6 and being provided with clencher iianges 12 which overhang the outer rim 7. At one or more points ir its circumference, the outer rim 7 is sup l with an outwardly eX- tended prcjecti A. A tire-surrounds the outer rim 7 and is denoted generally lby the numeral 15, the tire comprising a plurality be made of rubber, a rubber composition, or any other suitable substance. Certain of the tire blocks are denoted by the numeral 17- and the 'Specification of Letters Patent. i

Patented May 9, T1916.

blocks 17 are equipped with recesses 18 re' "ceiving the projection 14, to the end that the tire may be prevented from creeping circumferentially on the outer rim 7.

Through the constituent .blocks 16-17 of the tire is extended a tightening member 19 which may be in the form ofa rod, the ends thereof bein threaded as-show'n at 2O to receive a turn uckle 21 which, it is to be observed is supported on the projection 14, the blocks 17 being recessed as shown at 20, to receive the ends Yof the turnbuckle. The tire blocks are provided with clencher beads 23 which are engaged by the clencher {ianges 12 to the side plates 10;

. Disposed between the rims 7 and 1 are two vor more'circumferentially extended sets of,

springs, disposed vout of alinement transversely of the wheel. Each spring comprises an inwardly prdjecting bend 2 4 z flexed outwardlyto form a seat engaging a transverse lug 51 on the inner rim 1, and a pair of outwardly projecting bends 25 engaging the rim 7, the outwardly projecting bends 25 terminating in inwardly projecting fingers 26 which abut against facing surfaces of the V-shaped lugs 8 on the outer rim 7. Since the springs in the respective circumferential sets are not alined transversely of the wheel, the outwardly projecting bends 25 oi the springs of the respective sets are disposed in lcrossed relation, as shown at 27, when the wheel is viewed sidewise. Owing to the speciic form `of the springs and the manner in whichthel same' coact with the inner and outer rims, the wheel will possess a maximum amount of resiliency, combined with' the necessary rigidity to withstand abnormal strains.

lThe tightening device comprising therod 19 and the turnbuclrle 21, together with the projection 14 form an important part of the structure.` It is to be observed that the blocks 17 must be cut yawayto receive the projection 18, but since the turnbuckle 21 is supported on the projection 14, the turnbuckle, when the same is tightened up, will not distort the blocks 17 unduly, or cut its way through the blocks, it being observed that the blocks 17 `are of necessity weakened 4to 'a greater or less extent, because they are recessed to receive the turnbuckle and to receive the projection 14.

ln practical operation, the rodv 19 is threaded. through the bloclrsl, lthe turnbuckle 21 being seated inthe recess 20 of one block. Then, the ends ot' the tire are brought together, the turnhuckle seating in the recess of an adjoining block and the free end of the rod 1) coactingV with the turnhuckle. Owingr to the resiliency of the 'blocks, a tool ot' any sort (not, shown) may he received in the seats H of the turnbuckle, between `adjoining blocks, whereupon the turnlouclde may he rotated until the desired tension is secured.,after which the tool is withdrawn. v

Having thus described the invention, what is claimed is In a Wheeha rim provided with' a projection; a'resilient tire surrounding the rim and provided with transverse meeting faces alined with the projection radially of the tire, the meeting faces of the tire'being provided with recesses engaging the projection;

.a tightening memberextended through the 

